20399136

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5743}}^1$

素因数の和:5793

約数の個数: 48

約数和(自身を含む): 55004544

約数和(自身を除く): 34605408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 5743, 11486, 17229, 22972, 34458, 45944, 68916, 91888, 137832, 183776, 212491, 275664, 424982, 551328, 637473, 849964, 1274946, 1699928, 2549892, 3399856, 5099784, 6799712, 10199568, 20399136]

約数ペア:

[(1, 20399136), (2, 10199568), (3, 6799712), (4, 5099784), (6, 3399856), (8, 2549892), (12, 1699928), (16, 1274946), (24, 849964), (32, 637473), (37, 551328), (48, 424982), (74, 275664), (96, 212491), (111, 183776), (148, 137832), (222, 91888), (296, 68916), (444, 45944), (592, 34458), (888, 22972), (1184, 17229), (1776, 11486), (3552, 5743)]